src/gallium/drivers/cell/ppu/cell_pipe_state.c

   1 /**************************************************************************
   2  *
   3  * Copyright 2007 Tungsten Graphics, Inc., Cedar Park, Texas.
   4  * All Rights Reserved.
   5  *
   6  * Permission is hereby granted, free of charge, to any person obtaining a
   7  * copy of this software and associated documentation files (the
   8  * "Software"), to deal in the Software without restriction, including
   9  * without limitation the rights to use, copy, modify, merge, publish,
  10  * distribute, sub license, and/or sell copies of the Software, and to
  11  * permit persons to whom the Software is furnished to do so, subject to
  12  * the following conditions:
  13  *
  14  * The above copyright notice and this permission notice (including the
  15  * next paragraph) shall be included in all copies or substantial portions
  16  * of the Software.
  17  *
  18  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
  19  * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
  20  * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT.
  21  * IN NO EVENT SHALL TUNGSTEN GRAPHICS AND/OR ITS SUPPLIERS BE LIABLE FOR
  22  * ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
  23  * TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
  24  * SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
  25  *
  26  **************************************************************************/
  27
  28 /* Authors:
  29  *  Keith Whitwell <keith@tungstengraphics.com>
  30  *  Brian Paul
  31  */
  32
  33 #include "util/u_memory.h"
  34 #include "pipe/p_inlines.h"
  35 #include "draw/draw_context.h"
  36 #include "cell_context.h"
  37 #include "cell_flush.h"
  38 #include "cell_state.h"
  39 #include "cell_texture.h"
  40 #include "cell_state_per_fragment.h"
  41
  42
  43
  44 static void *
  45 cell_create_blend_state(struct pipe_context *pipe,
  46                         const struct pipe_blend_state *blend)
  47 {
  48    struct cell_blend_state *cb = MALLOC(sizeof(struct cell_blend_state));
  49
  50    (void) memcpy(cb, blend, sizeof(*blend));
  51 #if 0
  52    cell_generate_alpha_blend(cb);
  53 #endif
  54    return cb;
  55 }
  56
  57
  58 static void
  59 cell_bind_blend_state(struct pipe_context *pipe, void *state)
  60 {
  61    struct cell_context *cell = cell_context(pipe);
  62
  63    draw_flush(cell->draw);
  64
  65    cell->blend = (struct cell_blend_state *) state;
  66    cell->dirty |= CELL_NEW_BLEND;
  67 }
  68
  69
  70 static void
  71 cell_delete_blend_state(struct pipe_context *pipe, void *blend)
  72 {
  73    struct cell_blend_state *cb = (struct cell_blend_state *) blend;
  74
  75 #if 0
  76    spe_release_func(& cb->code);
  77 #endif
  78    FREE(cb);
  79 }
  80
  81
  82 static void
  83 cell_set_blend_color(struct pipe_context *pipe,
  84                      const struct pipe_blend_color *blend_color)
  85 {
  86    struct cell_context *cell = cell_context(pipe);
  87
  88    draw_flush(cell->draw);
  89
  90    cell->blend_color = *blend_color;
  91
  92    cell->dirty |= CELL_NEW_BLEND;
  93 }
  94
  95
  96
  97
  98 static void *
  99 cell_create_depth_stencil_alpha_state(struct pipe_context *pipe,
 100                  const struct pipe_depth_stencil_alpha_state *depth_stencil)
 101 {
 102    struct cell_depth_stencil_alpha_state *cdsa =
 103        MALLOC(sizeof(struct cell_depth_stencil_alpha_state));
 104
 105    (void) memcpy(cdsa, depth_stencil, sizeof(*depth_stencil));
 106 #if 0
 107    cell_generate_depth_stencil_test(cdsa);
 108 #endif
 109    return cdsa;
 110 }
 111
 112
 113 static void
 114 cell_bind_depth_stencil_alpha_state(struct pipe_context *pipe,
 115                                     void *depth_stencil)
 116 {
 117    struct cell_context *cell = cell_context(pipe);
 118
 119    draw_flush(cell->draw);
 120
 121    cell->depth_stencil =
 122        (struct cell_depth_stencil_alpha_state *) depth_stencil;
 123    cell->dirty |= CELL_NEW_DEPTH_STENCIL;
 124 }
 125
 126
 127 static void
 128 cell_delete_depth_stencil_alpha_state(struct pipe_context *pipe, void *depth)
 129 {
 130    struct cell_depth_stencil_alpha_state *cdsa =
 131        (struct cell_depth_stencil_alpha_state *) depth;
 132
 133 #if 0
 134    spe_release_func(& cdsa->code);
 135 #endif
 136    FREE(cdsa);
 137 }
 138
 139
 140 static void
 141 cell_set_clip_state(struct pipe_context *pipe,
 142                     const struct pipe_clip_state *clip)
 143 {
 144    struct cell_context *cell = cell_context(pipe);
 145
 146    /* pass the clip state to the draw module */
 147    draw_set_clip_state(cell->draw, clip);
 148 }
 149
 150
 151
 152 /* Called when driver state tracker notices changes to the viewport
 153  * matrix:
 154  */
 155 static void
 156 cell_set_viewport_state( struct pipe_context *pipe,
 157                          const struct pipe_viewport_state *viewport )
 158 {
 159    struct cell_context *cell = cell_context(pipe);
 160
 161    cell->viewport = *viewport; /* struct copy */
 162    cell->dirty |= CELL_NEW_VIEWPORT;
 163
 164    /* pass the viewport info to the draw module */
 165    draw_set_viewport_state(cell->draw, viewport);
 166
 167    /* Using tnl/ and vf/ modules is temporary while getting started.
 168     * Full pipe will have vertex shader, vertex fetch of its own.
 169     */
 170 }
 171
 172
 173 static void
 174 cell_set_scissor_state( struct pipe_context *pipe,
 175                         const struct pipe_scissor_state *scissor )
 176 {
 177    struct cell_context *cell = cell_context(pipe);
 178
 179    memcpy( &cell->scissor, scissor, sizeof(*scissor) );
 180    cell->dirty |= CELL_NEW_SCISSOR;
 181 }
 182
 183
 184 static void
 185 cell_set_polygon_stipple( struct pipe_context *pipe,
 186                           const struct pipe_poly_stipple *stipple )
 187 {
 188    struct cell_context *cell = cell_context(pipe);
 189
 190    memcpy( &cell->poly_stipple, stipple, sizeof(*stipple) );
 191    cell->dirty |= CELL_NEW_STIPPLE;
 192 }
 193
 194
 195
 196 static void *
 197 cell_create_rasterizer_state(struct pipe_context *pipe,
 198                              const struct pipe_rasterizer_state *setup)
 199 {
 200    struct pipe_rasterizer_state *state
 201       = MALLOC(sizeof(struct pipe_rasterizer_state));
 202    memcpy(state, setup, sizeof(struct pipe_rasterizer_state));
 203    return state;
 204 }
 205
 206
 207 static void
 208 cell_bind_rasterizer_state(struct pipe_context *pipe, void *setup)
 209 {
 210    struct cell_context *cell = cell_context(pipe);
 211
 212    /* pass-through to draw module */
 213    draw_set_rasterizer_state(cell->draw, setup);
 214
 215    cell->rasterizer = (struct pipe_rasterizer_state *)setup;
 216
 217    cell->dirty |= CELL_NEW_RASTERIZER;
 218 }
 219
 220
 221 static void
 222 cell_delete_rasterizer_state(struct pipe_context *pipe, void *rasterizer)
 223 {
 224    FREE(rasterizer);
 225 }
 226
 227
 228
 229 static void *
 230 cell_create_sampler_state(struct pipe_context *pipe,
 231                           const struct pipe_sampler_state *sampler)
 232 {
 233    return mem_dup(sampler, sizeof(*sampler));
 234 }
 235
 236
 237 static void
 238 cell_bind_sampler_states(struct pipe_context *pipe,
 239                          unsigned num, void **samplers)
 240 {
 241    struct cell_context *cell = cell_context(pipe);
 242
 243    assert(num <= CELL_MAX_SAMPLERS);
 244
 245    draw_flush(cell->draw);
 246
 247    memcpy(cell->sampler, samplers, num * sizeof(void *));
 248    memset(&cell->sampler[num], 0, (CELL_MAX_SAMPLERS - num) *
 249           sizeof(void *));
 250    cell->num_samplers = num;
 251
 252    cell->dirty |= CELL_NEW_SAMPLER;
 253 }
 254
 255
 256 static void
 257 cell_delete_sampler_state(struct pipe_context *pipe,
 258                               void *sampler)
 259 {
 260    FREE( sampler );
 261 }
 262
 263
 264
 265 static void
 266 cell_set_sampler_textures(struct pipe_context *pipe,
 267                           unsigned num, struct pipe_texture **texture)
 268 {
 269    struct cell_context *cell = cell_context(pipe);
 270    uint i;
 271
 272    assert(num <= CELL_MAX_SAMPLERS);
 273
 274    /* Check for no-op */
 275    if (num == cell->num_textures &&
 276        !memcmp(cell->texture, texture, num * sizeof(struct pipe_texture *)))
 277       return;
 278
 279    draw_flush(cell->draw);
 280
 281    for (i = 0; i < CELL_MAX_SAMPLERS; i++) {
 282       struct pipe_texture *tex = i < num ? texture[i] : NULL;
 283
 284       pipe_texture_reference((struct pipe_texture **) &cell->texture[i], tex);
 285    }
 286    cell->num_textures = num;
 287
 288    cell_update_texture_mapping(cell);
 289
 290    cell->dirty |= CELL_NEW_TEXTURE;
 291 }
 292
 293
 294
 295 static void
 296 cell_set_framebuffer_state(struct pipe_context *pipe,
 297                            const struct pipe_framebuffer_state *fb)
 298 {
 299    struct cell_context *cell = cell_context(pipe);
 300
 301    if (1 /*memcmp(&cell->framebuffer, fb, sizeof(*fb))*/) {
 302       struct pipe_surface *csurf = fb->cbufs[0];
 303       struct pipe_surface *zsurf = fb->zsbuf;
 304       uint i;
 305       uint flags = (PIPE_BUFFER_USAGE_GPU_WRITE |
 306                     PIPE_BUFFER_USAGE_GPU_READ);
 307
 308       /* unmap old surfaces */
 309       for (i = 0; i < PIPE_MAX_COLOR_BUFS; i++) {
 310          if (cell->framebuffer.cbufs[i] && cell->cbuf_map[i]) {
 311             pipe_surface_unmap(cell->framebuffer.cbufs[i]);
 312             cell->cbuf_map[i] = NULL;
 313          }
 314       }
 315
 316       if (cell->framebuffer.zsbuf && cell->zsbuf_map) {
 317          pipe_surface_unmap(cell->framebuffer.zsbuf);
 318          cell->zsbuf_map = NULL;
 319       }
 320
 321       /* Finish any pending rendering to the current surface before
 322        * installing a new surface!
 323        */
 324       cell_flush_int(cell, CELL_FLUSH_WAIT);
 325
 326       /* update my state
 327        * (this is also where old surfaces will finally get freed)
 328        */
 329       cell->framebuffer.width = fb->width;
 330       cell->framebuffer.height = fb->height;
 331       cell->framebuffer.num_cbufs = fb->num_cbufs;
 332       for (i = 0; i < PIPE_MAX_COLOR_BUFS; i++) {
 333          pipe_surface_reference(&cell->framebuffer.cbufs[i], fb->cbufs[i]);
 334       }
 335       pipe_surface_reference(&cell->framebuffer.zsbuf, fb->zsbuf);
 336
 337       /* map new surfaces */
 338       if (csurf)
 339          cell->cbuf_map[0] = pipe_surface_map(csurf, flags);
 340
 341       if (zsurf)
 342          cell->zsbuf_map = pipe_surface_map(zsurf, flags);
 343
 344       cell->dirty |= CELL_NEW_FRAMEBUFFER;
 345    }
 346 }
 347
 348
 349
 350 void
 351 cell_init_state_functions(struct cell_context *cell)
 352 {
 353    cell->pipe.create_blend_state = cell_create_blend_state;
 354    cell->pipe.bind_blend_state   = cell_bind_blend_state;
 355    cell->pipe.delete_blend_state = cell_delete_blend_state;
 356
 357    cell->pipe.create_sampler_state = cell_create_sampler_state;
 358    cell->pipe.bind_sampler_states = cell_bind_sampler_states;
 359    cell->pipe.delete_sampler_state = cell_delete_sampler_state;
 360
 361    cell->pipe.set_sampler_textures = cell_set_sampler_textures;
 362
 363    cell->pipe.create_depth_stencil_alpha_state = cell_create_depth_stencil_alpha_state;
 364    cell->pipe.bind_depth_stencil_alpha_state   = cell_bind_depth_stencil_alpha_state;
 365    cell->pipe.delete_depth_stencil_alpha_state = cell_delete_depth_stencil_alpha_state;
 366
 367    cell->pipe.create_rasterizer_state = cell_create_rasterizer_state;
 368    cell->pipe.bind_rasterizer_state   = cell_bind_rasterizer_state;
 369    cell->pipe.delete_rasterizer_state = cell_delete_rasterizer_state;
 370
 371    cell->pipe.set_blend_color = cell_set_blend_color;
 372    cell->pipe.set_clip_state = cell_set_clip_state;
 373
 374    cell->pipe.set_framebuffer_state = cell_set_framebuffer_state;
 375
 376    cell->pipe.set_polygon_stipple = cell_set_polygon_stipple;
 377    cell->pipe.set_scissor_state = cell_set_scissor_state;
 378    cell->pipe.set_viewport_state = cell_set_viewport_state;
 379 }